1: (2 6 18)

(0 18 14 12 10 8 6)(1 7 5)(2)(3 13 4)(9 16 15)(11 19 17)

2: (1 7 5)

(0 18 14 12 10 8 6)(1)(2)(3 13 4)(5)(7)(9 16 15)(11 19 17)

3: (0 12 6)

(0)(1)(2)(3 13 4)(5)(6 10 8)(7)(9 16 15)(11 19 17)(12 18 14)

4: (11 19 17)

(0)(1)(2)(3 13 4)(5)(6 10 8)(7)(9 16 15)(11)(12 18 14)(17)(19)